Table 1 Correlations between the SF-36 index, FEV1 and the physicians' ratings of the patients' health status.

Physical functioning

0.19 NS

0.55 ***

Physical role

0.06 NS

0.40 **

Pain

- 0.19 NS

0.29 *

General health

- 0.01 NS

0.36 **

Vitality

- 0.06 NS

0.35 **

Social functioning

0.02 NS

0.40 **

Emotional role

0.10 NS

0.29 *

Mental health

0.10 NS

0.40 **

FEV₁

1.00

0.18 NS

Physician's rating

0.18 NS

1.00